@InProceedings{he2016improved,
  author = 	"He, Wei 
  		and He, Zhongjun 
		and Wu, Hua and 
		Wang, Haifeng",
  title = 	"Improved Neural Machine Translation with SMT Features.",
  booktitle = 	"Proceedings of AAAI",
  year = 	"2016"
}
@InProceedings{P16-2021,
  author = 	"Mi, Haitao 
  		and Wang, Zhiguo and 
		Ittycheriah, Abe",
  title = 	"Vocabulary manipulation for neural machine translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2016"
}
@InProceedings{D16-1162,
  author = 	"Arthur, Philip
		and Neubig, Graham
		and Nakamura, Satoshi",
  title = 	"Incorporating Discrete Translation Lexicons into Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2016"
}
@InProceedings{P17-1139,
  author = 	"Zhang, Jiacheng
		and Liu, Yang
		and Luan, Huanbo
		and Xu, Jingfang
		and Sun, Maosong",
  title = 	"Prior Knowledge Integration for Neural Machine Translation using Posterior Regularization",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{P17-1141,
  author = 	"Hokamp, Chris
		and Liu, Qun",
  title = 	"Lexically Constrained Decoding for Sequence Generation Using Grid Beam Search",
  booktitle = 	"Proceedings of ACL",
  year = 	"2017"
}
@InProceedings{E17-2061,
  author = 	"Yang, Zichao
		and Hu, Zhiting
		and Deng, Yuntian
		and Dyer, Chris
		and Smola, Alex",
  title = 	"Neural Machine Translation with Recurrent Attention Modeling",
  booktitle = 	"Proceedings of EACL",
  year = 	"2017"
}
@InProceedings{E17-2025,
  author = 	"Press, Ofir
		and Wolf, Lior",
  title = 	"Using the Output Embedding to Improve Language Models",
  booktitle = 	"Proceedings of EACL",
  year = 	"2017"
}
@InProceedings{W17-4716,
  author = 	"Chatterjee, Rajen
		and Negri, Matteo
		and Turchi, Marco
		and Federico, Marcello
		and Specia, Lucia
		and Blain, Fr{\'e}d{\'e}ric",
  title = 	"Guiding Neural Machine Translation Decoding with External Knowledge",
  booktitle = 	"Proceedings of the Second Conference on Machine Translation",
  year = 	"2017"
}
@InProceedings{D17-1013,
  author = 	"Weng, Rongxiang
		and Huang, Shujian
		and Zheng, Zaixiang
		and DAI, XIN-YU
		and CHEN, Jiajun",
  title = 	"Neural Machine Translation with Word Predictions",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{D17-1146,
  author = 	"Feng, Yang
		and Zhang, Shiyue
		and Zhang, Andi
		and Wang, Dong
		and Abel, Andrew",
  title = 	"Memory-augmented Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{D17-1148,
  author = 	"Dahlmann, Leonard
		and Matusov, Evgeny
		and Petrushkov, Pavel
		and Khadivi, Shahram",
  title = 	"Neural Machine Translation Leveraging Phrase-based Models in a Hybrid Search",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{D17-1149,
  author = 	"Wang, Xing
		and Tu, Zhaopeng
		and Xiong, Deyi
		and Zhang, Min",
  title = 	"Translating Phrases in Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{D17-1150,
  author = 	"Yang, Baosong
		and Wong, Derek F.
		and Xiao, Tong
		and Chao, Lidia S.
		and Zhu, Jingbo",
  title = 	"Towards Bidirectional Hierarchical Representations for Attention-based Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2017"
}
@InProceedings{huang2017towards,
  title={Towards Neural Phrase-based Machine Translation},
  author={Huang, Po-Sen and Wang, Chong and Huang, Sitao and Zhou, Dengyong and Deng, Li},
  booktitle={Proceedings of ICLR},
  year={2017}
}
@InProceedings{N18-1031,
  author = 	"Nguyen, Toan
		and Chiang, David",
  title = 	"Improving Lexical Choice in Neural Machine Translation",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-1116,
  author = 	"Chen, Huadong
		and Huang, Shujian
		and Chiang, David
		and Dai, Xinyu
		and Chen, Jiajun",
  title = 	"Combining Character and Word Information in Neural Machine Translation Using a Multi-Level Attention",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-1119,
  author = 	"Post, Matt
		and Vilar, David",
  title = 	"Fast Lexically Constrained Decoding with Dynamic Beam Allocation for Neural Machine Translation",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-1120,
  author = 	"Zhang, Jingyi
		and Utiyama, Masao
		and Sumita, Eiichro
		and Neubig, Graham
		and Nakamura, Satoshi",
  title = 	"Guiding Neural Machine Translation with Retrieved Translation Pieces",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-2081,
  author = 	"Hasler, Eva
		and de Gispert, Adri{\`a}
		and Iglesias, Gonzalo
		and Byrne, Bill",
  title = 	"Neural Machine Translation Decoding with Terminology Constraints",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{N18-2083,
  author = 	"Pourdamghani, Nima
		and Ghazvininejad, Marjan
		and Knight, Kevin",
  title = 	"Using Word Vectors to Improve Word Alignments for Low Resource Machine Translation",
  booktitle = 	"Proceedings of NAACL",
  year = 	"2018"
}
@InProceedings{P18-2053,
  author = 	"Ma, Shuming
		and SUN, Xu
		and Wang, Yizhong
		and Lin, Junyang",
  title = 	"Bag-of-Words as Target for Neural Machine Translation",
  booktitle = 	"Proceedings of ACL",
  year = 	"2018"
}
@InProceedings{C18-1124,
  author = 	"Wang, Mingxuan
		and Xie, Jun
		and Tan, Zhixing
		and Su, Jinsong
		and Xiong, Deyi
		and Bian, Chao",
  title = 	"Neural Machine Translation with Decoding History Enhanced Attention",
  booktitle = 	"Proceedings of COLING",
  year = 	"2018"
}
@InProceedings{C18-1274,
  author = 	"Ugawa, Arata
		and Tamura, Akihiro
		and Ninomiya, Takashi
		and Takamura, Hiroya
		and Okumura, Manabu",
  title = 	"Neural Machine Translation Incorporating Named Entity",
  booktitle = 	"Proceedings of COLING",
  year = 	"2018"
}
@InProceedings{D18-1333,
  author = 	"Wang, Longyue
		and Tu, Zhaopeng
		and Way, Andy
		and Liu, Qun",
  title = 	"Learning to Jointly Translate and Predict Dropped Pronouns with a Shared Reconstruction Mechanism",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@InProceedings{D18-1340,
  author = 	"Cao, Qian
		and Xiong, Deyi",
  title = 	"Encoding Gated Translation Memory into Neural Machine Translation",
  booktitle = 	"Proceedings of EMNLP",
  year = 	"2018"
}
@inproceedings{gong2018frage,
  title={FRAGE: frequency-agnostic word representation},
  author={Gong, Chengyue and He, Di and Tan, Xu and Qin, Tao and Wang, Liwei and Liu, Tie-Yan},
  booktitle={Proceedings of NeurIPS},
  year={2018}
}
@inproceedings{wang-etal-2019-one,
    title = "One Model to Learn Both: Zero Pronoun Prediction and Translation",
    author = "Wang, Longyue  and
      Tu, Zhaopeng  and
      Wang, Xing  and
      Shi, Shuming",
    year = 	"2019",
    booktitle = "Proceedings of EMNLP",
}